Ok, Bill is a nickname for anyone named William. Kind of like Bob comes from Robert. So OP was referencing monthly debts and his friend was being funny. I assume 4:37 says wills because that is what determines what daddy really thought of you. As layed out in his Last WILL and testament...or he is a jiblet head and didnt know bill and will can be the same guy because it's basically the same name...short for William.